help: y varies directly as x, y = 30 when x = 8

[Josecerecero]

Find an equation of variation where y varies directly as x, and the following are true.

y = 30 when x = 8

If you can help me, I would really appreciate it.

:twisted:

 

[tkhunny]

Re: help

y varies directly as x

Code Words!!

y = k*x

Now what?

 

[J. Mont-Rios]

y=30 when x=8
y=kx
30=kx8
y=3.75x

 

[Josecerecero]

THANK ALOT.